diff options
Diffstat (limited to 'include/sysemu')
| -rw-r--r-- | include/sysemu/bt.h | 20 | ||||
| -rw-r--r-- | include/sysemu/char.h | 306 | ||||
| -rw-r--r-- | include/sysemu/rng-random.h | 22 | ||||
| -rw-r--r-- | include/sysemu/rng.h | 93 | ||||
| -rw-r--r-- | include/sysemu/tpm_backend.h | 209 |
5 files changed, 650 insertions, 0 deletions
diff --git a/include/sysemu/bt.h b/include/sysemu/bt.h new file mode 100644 index 0000000000..2bc6d53cca --- /dev/null +++ b/include/sysemu/bt.h @@ -0,0 +1,20 @@ +#ifndef BT_HOST_H +#define BT_HOST_H + +/* BT HCI info */ + +struct HCIInfo { + int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr); + void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len); + void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len); + void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len); + void *opaque; + void (*evt_recv)(void *opaque, const uint8_t *data, int len); + void (*acl_recv)(void *opaque, const uint8_t *data, int len); +}; + +/* bt-host.c */ +struct HCIInfo *bt_host_hci(const char *id); +struct HCIInfo *qemu_next_hci(void); + +#endif diff --git a/include/sysemu/char.h b/include/sysemu/char.h new file mode 100644 index 0000000000..9d1ea46117 --- /dev/null +++ b/include/sysemu/char.h @@ -0,0 +1,306 @@ +#ifndef QEMU_CHAR_H +#define QEMU_CHAR_H + +#include "qemu-common.h" +#include "qemu/queue.h" +#include "qemu/option.h" +#include "qemu/config-file.h" +#include "block/aio.h" +#include "qapi/qmp/qobject.h" +#include "qapi/qmp/qstring.h" +#include "qemu/main-loop.h" + +/* character device */ + +#define CHR_EVENT_BREAK 0 /* serial break char */ +#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */ +#define CHR_EVENT_OPENED 2 /* new connection established */ +#define CHR_EVENT_MUX_IN 3 /* mux-focus was set to this terminal */ +#define CHR_EVENT_MUX_OUT 4 /* mux-focus will move on */ +#define CHR_EVENT_CLOSED 5 /* connection closed */ + + +#define CHR_IOCTL_SERIAL_SET_PARAMS 1 +typedef struct { + int speed; + int parity; + int data_bits; + int stop_bits; +} QEMUSerialSetParams; + +#define CHR_IOCTL_SERIAL_SET_BREAK 2 + +#define CHR_IOCTL_PP_READ_DATA 3 +#define CHR_IOCTL_PP_WRITE_DATA 4 +#define CHR_IOCTL_PP_READ_CONTROL 5 +#define CHR_IOCTL_PP_WRITE_CONTROL 6 +#define CHR_IOCTL_PP_READ_STATUS 7 +#define CHR_IOCTL_PP_EPP_READ_ADDR 8 +#define CHR_IOCTL_PP_EPP_READ 9 +#define CHR_IOCTL_PP_EPP_WRITE_ADDR 10 +#define CHR_IOCTL_PP_EPP_WRITE 11 +#define CHR_IOCTL_PP_DATA_DIR 12 + +#define CHR_IOCTL_SERIAL_SET_TIOCM 13 +#define CHR_IOCTL_SERIAL_GET_TIOCM 14 + +#define CHR_TIOCM_CTS 0x020 +#define CHR_TIOCM_CAR 0x040 +#define CHR_TIOCM_DSR 0x100 +#define CHR_TIOCM_RI 0x080 +#define CHR_TIOCM_DTR 0x002 +#define CHR_TIOCM_RTS 0x004 + +typedef void IOEventHandler(void *opaque, int event); + +struct CharDriverState { + void (*init)(struct CharDriverState *s); + int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len); + GSource *(*chr_add_watch)(struct CharDriverState *s, GIOCondition cond); + void (*chr_update_read_handler)(struct CharDriverState *s); + int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg); + int (*get_msgfd)(struct CharDriverState *s); + int (*chr_add_client)(struct CharDriverState *chr, int fd); + IOEventHandler *chr_event; + IOCanReadHandler *chr_can_read; + IOReadHandler *chr_read; + void *handler_opaque; + void (*chr_close)(struct CharDriverState *chr); + void (*chr_accept_input)(struct CharDriverState *chr); + void (*chr_set_echo)(struct CharDriverState *chr, bool echo); + void (*chr_set_fe_open)(struct CharDriverState *chr, int fe_open); + void *opaque; + int idle_tag; + char *label; + char *filename; + int be_open; + int fe_open; + int explicit_fe_open; + int avail_connections; + QemuOpts *opts; + QTAILQ_ENTRY(CharDriverState) next; +}; + +/** + * @qemu_chr_new_from_opts: + * + * Create a new character backend from a QemuOpts list. + * + * @opts see qemu-config.c for a list of valid options + * @init not sure.. + * + * Returns: a new character backend + */ +CharDriverState *qemu_chr_new_from_opts(QemuOpts *opts, + void (*init)(struct CharDriverState *s), + Error **errp); + +/** + * @qemu_chr_new: + * + * Create a new character backend from a URI. + * + * @label the name of the backend + * @filename the URI + * @init not sure.. + * + * Returns: a new character backend + */ +CharDriverState *qemu_chr_new(const char *label, const char *filename, + void (*init)(struct CharDriverState *s)); + +/** + * @qemu_chr_delete: + * + * Destroy a character backend. + */ +void qemu_chr_delete(CharDriverState *chr); + +/** + * @qemu_chr_fe_set_echo: + * + * Ask the backend to override its normal echo setting. This only really + * applies to the stdio backend and is used by the QMP server such that you + * can see what you type if you try to type QMP commands. + * + * @echo true to enable echo, false to disable echo + */ +void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo); + +/** + * @qemu_chr_fe_set_open: + * + * Set character frontend open status. This is an indication that the + * front end is ready (or not) to begin doing I/O. + */ +void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open); + +/** + * @qemu_chr_fe_printf: + * + * Write to a character backend using a printf style interface. + * + * @fmt see #printf + */ +void qemu_chr_fe_printf(CharDriverState *s, const char *fmt, ...) + GCC_FMT_ATTR(2, 3); + +int qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond, + GIOFunc func, void *user_data); + +/** + * @qemu_chr_fe_write: + * + * Write data to a character backend from the front end. This function will + * send data from the front end to the back end. + * + * @buf the data + * @len the number of bytes to send + * + * Returns: the number of bytes consumed + */ +int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len); + +/** + * @qemu_chr_fe_write_all: + * + * Write data to a character backend from the front end. This function will + * send data from the front end to the back end. Unlike @qemu_chr_fe_write, + * this function will block if the back end cannot consume all of the data + * attempted to be written. + * + * @buf the data + * @len the number of bytes to send + * + * Returns: the number of bytes consumed + */ +int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len); + +/** + * @qemu_chr_fe_ioctl: + * + * Issue a device specific ioctl to a backend. + * + * @cmd see CHR_IOCTL_* + * @arg the data associated with @cmd + * + * Returns: if @cmd is not supported by the backend, -ENOTSUP, otherwise the + * return value depends on the semantics of @cmd + */ +int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg); + +/** + * @qemu_chr_fe_get_msgfd: + * + * For backends capable of fd passing, return the latest file descriptor passed + * by a client. + * + * Returns: -1 if fd passing isn't supported or there is no pending file + * descriptor. If a file descriptor is returned, subsequent calls to + * this function will return -1 until a client sends a new file + * descriptor. + */ +int qemu_chr_fe_get_msgfd(CharDriverState *s); + +/** + * @qemu_chr_fe_claim: + * + * Claim a backend before using it, should be called before calling + * qemu_chr_add_handlers(). + * + * Returns: -1 if the backend is already in use by another frontend, 0 on + * success. + */ +int qemu_chr_fe_claim(CharDriverState *s); + +/** + * @qemu_chr_fe_claim_no_fail: + * + * Like qemu_chr_fe_claim, but will exit qemu with an error when the + * backend is already in use. + */ +void qemu_chr_fe_claim_no_fail(CharDriverState *s); + +/** + * @qemu_chr_fe_claim: + * + * Release a backend for use by another frontend. + * + * Returns: -1 if the backend is already in use by another frontend, 0 on + * success. + */ +void qemu_chr_fe_release(CharDriverState *s); + +/** + * @qemu_chr_be_can_write: + * + * Determine how much data the front end can currently accept. This function + * returns the number of bytes the front end can accept. If it returns 0, the + * front end cannot receive data at the moment. The function must be polled + * to determine when data can be received. + * + * Returns: the number of bytes the front end can receive via @qemu_chr_be_write + */ +int qemu_chr_be_can_write(CharDriverState *s); + +/** + * @qemu_chr_be_write: + * + * Write data from the back end to the front end. Before issuing this call, + * the caller should call @qemu_chr_be_can_write to determine how much data + * the front end can currently accept. + * + * @buf a buffer to receive data from the front end + * @len the number of bytes to receive from the front end + */ +void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len); + + +/** + * @qemu_chr_be_event: + * + * Send an event from the back end to the front end. + * + * @event the event to send + */ +void qemu_chr_be_event(CharDriverState *s, int event); + +void qemu_chr_add_handlers(CharDriverState *s, + IOCanReadHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + void *opaque); + +void qemu_chr_be_generic_open(CharDriverState *s); +void qemu_chr_accept_input(CharDriverState *s); +int qemu_chr_add_client(CharDriverState *s, int fd); +void qemu_chr_info_print(Monitor *mon, const QObject *ret_data); +void qemu_chr_info(Monitor *mon, QObject **ret_data); +CharDriverState *qemu_chr_find(const char *name); + +QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename); + +void register_char_driver(const char *name, CharDriverState *(*open)(QemuOpts *)); +void register_char_driver_qapi(const char *name, int kind, + void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp)); + +/* add an eventfd to the qemu devices that are polled */ +CharDriverState *qemu_chr_open_eventfd(int eventfd); + +extern int term_escape_char; + +/* memory chardev */ +void qemu_chr_init_mem(CharDriverState *chr); +void qemu_chr_close_mem(CharDriverState *chr); +QString *qemu_chr_mem_to_qs(CharDriverState *chr); +size_t qemu_chr_mem_osize(const CharDriverState *chr); + +CharDriverState *qemu_char_get_next_serial(void); + +/* msmouse */ +CharDriverState *qemu_chr_open_msmouse(void); + +/* baum.c */ +CharDriverState *chr_baum_init(void); + +#endif diff --git a/include/sysemu/rng-random.h b/include/sysemu/rng-random.h new file mode 100644 index 0000000000..4332772a24 --- /dev/null +++ b/include/sysemu/rng-random.h @@ -0,0 +1,22 @@ +/* + * QEMU Random Number Generator Backend + * + * Copyright IBM, Corp. 2012 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef QEMU_RNG_RANDOM_H +#define QEMU_RNG_RANDOM_H + +#include "qom/object.h" + +#define TYPE_RNG_RANDOM "rng-random" +#define RNG_RANDOM(obj) OBJECT_CHECK(RndRandom, (obj), TYPE_RNG_RANDOM) + +typedef struct RndRandom RndRandom; + +#endif diff --git a/include/sysemu/rng.h b/include/sysemu/rng.h new file mode 100644 index 0000000000..509abd023d --- /dev/null +++ b/include/sysemu/rng.h @@ -0,0 +1,93 @@ +/* + * QEMU Random Number Generator Backend + * + * Copyright IBM, Corp. 2012 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_RNG_H +#define QEMU_RNG_H + +#include "qom/object.h" +#include "qemu-common.h" +#include "qapi/error.h" + +#define TYPE_RNG_BACKEND "rng-backend" +#define RNG_BACKEND(obj) \ + OBJECT_CHECK(RngBackend, (obj), TYPE_RNG_BACKEND) +#define RNG_BACKEND_GET_CLASS(obj) \ + OBJECT_GET_CLASS(RngBackendClass, (obj), TYPE_RNG_BACKEND) +#define RNG_BACKEND_CLASS(klass) \ + OBJECT_CLASS_CHECK(RngBackendClass, (klass), TYPE_RNG_BACKEND) + +typedef struct RngBackendClass RngBackendClass; +typedef struct RngBackend RngBackend; + +typedef void (EntropyReceiveFunc)(void *opaque, + const void *data, + size_t size); + +struct RngBackendClass +{ + ObjectClass parent_class; + + void (*request_entropy)(RngBackend *s, size_t size, + EntropyReceiveFunc *recieve_entropy, void *opaque); + void (*cancel_requests)(RngBackend *s); + + void (*opened)(RngBackend *s, Error **errp); +}; + +struct RngBackend +{ + Object parent; + + /*< protected >*/ + bool opened; +}; + +/** + * rng_backend_request_entropy: + * @s: the backend to request entropy from + * @size: the number of bytes of data to request + * @receive_entropy: a function to be invoked when entropy is available + * @opaque: data that should be passed to @receive_entropy + * + * This function is used by the front-end to request entropy from an entropy + * source. This function can be called multiple times before @receive_entropy + * is invoked with different values of @receive_entropy and @opaque. The + * backend will queue each request and handle appropriately. + * + * The backend does not need to pass the full amount of data to @receive_entropy + * but will pass a value greater than 0. + */ +void rng_backend_request_entropy(RngBackend *s, size_t size, + EntropyReceiveFunc *receive_entropy, + void *opaque); + +/** + * rng_backend_cancel_requests: + * @s: the backend to cancel all pending requests in + * + * Cancels all pending requests submitted by @rng_backend_request_entropy. This + * should be used by a device during reset or in preparation for live migration + * to stop tracking any request. + */ +void rng_backend_cancel_requests(RngBackend *s); + +/** + * rng_backend_open: + * @s: the backend to open + * @errp: a pointer to return the #Error object if an error occurs. + * + * This function will open the backend if it is not already open. Calling this + * function on an already opened backend will not result in an error. + */ +void rng_backend_open(RngBackend *s, Error **errp); + +#endif diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h new file mode 100644 index 0000000000..466787453d --- /dev/null +++ b/include/sysemu/tpm_backend.h @@ -0,0 +1,209 @@ +/* + * QEMU TPM Backend + * + * Copyright IBM, Corp. 2013 + * + * Authors: + * Stefan Berger <stefanb@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef _QEMU_TPM_H +#define _QEMU_TPM_H + +#include "qom/object.h" +#include "qemu-common.h" +#include "qapi/error.h" +#include "qapi-types.h" +#include "qemu/option.h" +#include "sysemu/tpm.h" + +#define TYPE_TPM_BACKEND "tpm-backend" +#define TPM_BACKEND(obj) \ + OBJECT_CHECK(TPMBackend, (obj), TYPE_TPM_BACKEND) +#define TPM_BACKEND_GET_CLASS(obj) \ + OBJECT_GET_CLASS(TPMBackendClass, (obj), TYPE_TPM_BACKEND) +#define TPM_BACKEND_CLASS(klass) \ + OBJECT_CLASS_CHECK(TPMBackendClass, (klass), TYPE_TPM_BACKEND) + +typedef struct TPMBackendClass TPMBackendClass; +typedef struct TPMBackend TPMBackend; + +typedef struct TPMDriverOps TPMDriverOps; + +struct TPMBackendClass { + ObjectClass parent_class; + + const TPMDriverOps *ops; + + void (*opened)(TPMBackend *s, Error **errp); +}; + +struct TPMBackend { + Object parent; + + /*< protected >*/ + bool opened; + + char *id; + enum TpmModel fe_model; + char *path; + char *cancel_path; + const TPMDriverOps *ops; + + QLIST_ENTRY(TPMBackend) list; +}; + +typedef void (TPMRecvDataCB)(TPMState *, uint8_t locty); + +typedef struct TPMSizedBuffer { + uint32_t size; + uint8_t *buffer; +} TPMSizedBuffer; + +struct TPMDriverOps { + enum TpmType type; + /* get a descriptive text of the backend to display to the user */ + const char *(*desc)(void); + + TPMBackend *(*create)(QemuOpts *opts, const char *id); + void (*destroy)(TPMBackend *t); + + /* initialize the backend */ + int (*init)(TPMBackend *t, TPMState *s, TPMRecvDataCB *datacb); + /* start up the TPM on the backend */ + int (*startup_tpm)(TPMBackend *t); + /* returns true if nothing will ever answer TPM requests */ + bool (*had_startup_error)(TPMBackend *t); + + size_t (*realloc_buffer)(TPMSizedBuffer *sb); + + void (*deliver_request)(TPMBackend *t); + + void (*reset)(TPMBackend *t); + + void (*cancel_cmd)(TPMBackend *t); + + bool (*get_tpm_established_flag)(TPMBackend *t); +}; + + +/** + * tpm_backend_get_type: + * @s: the backend + * + * Returns the TpmType of the backend. + */ +enum TpmType tpm_backend_get_type(TPMBackend *s); + +/** + * tpm_backend_get_desc: + * @s: the backend + * + * Returns a human readable description of the backend. + */ +const char *tpm_backend_get_desc(TPMBackend *s); + +/** + * tpm_backend_destroy: + * @s: the backend to destroy + */ +void tpm_backend_destroy(TPMBackend *s); + +/** + * tpm_backend_init: + * @s: the backend to initialized + * @state: TPMState + * @datacb: callback for sending data to frontend + * + * Initialize the backend with the given variables. + * + * Returns 0 on success. + */ +int tpm_backend_init(TPMBackend *s, TPMState *state, + TPMRecvDataCB *datacb); + +/** + * tpm_backend_startup_tpm: + * @s: the backend whose TPM support is to be started + * + * Returns 0 on success. + */ +int tpm_backend_startup_tpm(TPMBackend *s); + +/** + * tpm_backend_had_startup_error: + * @s: the backend to query for a statup error + * + * Check whether the backend had an error during startup. Returns + * false if no error occurred and the backend can be used, true + * otherwise. + */ +bool tpm_backend_had_startup_error(TPMBackend *s); + +/** + * tpm_backend_realloc_buffer: + * @s: the backend + * @sb: the TPMSizedBuffer to re-allocated to the size suitable for the + * backend. + * + * This function returns the size of the allocated buffer + */ +size_t tpm_backend_realloc_buffer(TPMBackend *s, TPMSizedBuffer *sb); + +/** + * tpm_backend_deliver_request: + * @s: the backend to send the request to + * + * Send a request to the backend. The backend will then send the request + * to the TPM implementation. + */ +void tpm_backend_deliver_request(TPMBackend *s); + +/** + * tpm_backend_reset: + * @s: the backend to reset + * + * Reset the backend into a well defined state with all previous errors + * reset. + */ +void tpm_backend_reset(TPMBackend *s); + +/** + * tpm_backend_cancel_cmd: + * @s: the backend + * + * Cancel any ongoing command being processed by the TPM implementation + * on behalf of the QEMU guest. + */ +void tpm_backend_cancel_cmd(TPMBackend *s); + +/** + * tpm_backend_get_tpm_established_flag: + * @s: the backend + * + * Get the TPM establishment flag. This function may be called very + * frequently by the frontend since for example in the TIS implementation + * this flag is part of a register. + */ +bool tpm_backend_get_tpm_established_flag(TPMBackend *s); + +/** + * tpm_backend_open: + * @s: the backend to open + * @errp: a pointer to return the #Error object if an error occurs. + * + * This function will open the backend if it is not already open. Calling this + * function on an already opened backend will not result in an error. + */ +void tpm_backend_open(TPMBackend *s, Error **errp); + +TPMBackend *qemu_find_tpm(const char *id); + +const TPMDriverOps *tpm_get_backend_driver(const char *type); +int tpm_register_model(enum TpmModel model); +int tpm_register_driver(const TPMDriverOps *tdo); + +#endif |